Finding the Fourth Proportional to 742,949.70, 1,025,270.56 and 403,417.95
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Solution
The fourth proportional to 742,949.70, 1,025,270.56 and 403,417.95 is: 556,716.76
Step by Step Solution
- Step 1: Write the proportion equation
742,949.70 : 1,025,270.56 = 403,417.95 : x - Step 2: Convert to fraction form
742,949.70/1,025,270.56 = 403,417.95/x - Step 3: Cross multiply
742,949.70x = 1,025,270.56 × 403,417.95 - Step 4: Simplify right side
742,949.70x = 413,612,547,510.55 - Step 5: Solve for x
x = 413,612,547,510.55/742,949.70 - Step 6: Final answer
x = 556,716.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.